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Finding the Fourth Proportional to 58,338.56, 87,507.84 and 16,785.56

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Solution

The fourth proportional to 58,338.56, 87,507.84 and 16,785.56 is: 25,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,338.56 : 87,507.84 = 16,785.56 : x
  2. Step 2: Convert to fraction form
    58,338.56/87,507.84 = 16,785.56/x
  3. Step 3: Cross multiply
    58,338.56x = 87,507.84 × 16,785.56
  4. Step 4: Simplify right side
    58,338.56x = 1,468,868,380.51
  5. Step 5: Solve for x
    x = 1,468,868,380.51/58,338.56
  6. Step 6: Final answer
    x = 25,178.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.